文章摘要
齐明思,孙亮.基于马歇特锤实验的聚氨酯缓冲性能分析[J].包装工程,2016,37(3):108-110.
QI Ming-si,SUN Liang.Buffer Performance of Polyurethane Based on the Machete Hammer Experiment[J].Packaging Engineering,2016,37(3):108-110.
基于马歇特锤实验的聚氨酯缓冲性能分析
Buffer Performance of Polyurethane Based on the Machete Hammer Experiment
投稿时间:2015-07-14  修订日期:2016-02-10
DOI:
中文关键词: 缓冲性能  高过载  聚氨酯  马歇特锤实验
英文关键词: buffer performance  overload  polyurethane  Machete hammer experiment
基金项目:山西省自然科学基金 (2013011025-1)
作者单位
齐明思 中北大学太原 030051 
孙亮 中北大学太原 030051 
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中文摘要:
      目的 为了测试聚氨酯材料的缓冲性能, 设计合适的环阻尼缓冲防护结构, 从而使系统有更好的缓冲性能和稳定性。方法 以某高过载测试电子记录器中环阻尼缓冲防护结构为例, 建立了有阻尼的质量弹簧系统数学模型, 通过动态马歇特锤实验对钢壳内侧壁与内胆盖外侧壁、 内胆外侧壁之间灌封的聚氨酯材料的缓冲性能进行了分析研究。结果 马歇特锤分别打10个、 17个和20个齿时, 均是直径为46 mm的内胆最大加速度值最小。结论 螺距相同时, 直径为46 mm的内胆相对于钢壳运动的位移幅值最小, 为最优设计方案。
英文摘要:
      The aim of this work was to test the cushioning property of polyurethane material, design appropriate ring damping buffer protection structure, so as to improve the buffer performance and stability of the system. Using a high overload test electronic recorder central damping buffer door structure as an example, damped mass spring system mathematical model was established, and the buffer performance of polyurethane material filled between the steel shell inner wall and the inner liner cover lateral wall as well as between the lateral walls of the inner container potting material was studied and analyzed through dynamic Machete hammer experiment. When the Machete hammer hit 10, 17, and 20 teeth, the minimum acceleration was all observed with the inner diameter of 46 mm. At the same pitch, the liner with a diameter of 46 mm had the smallest movement displacement relative to steel shell, and was the best design scheme.
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